package servlet.content.util;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import offer.DocDataSource;
import offer.GetModuleFileSource;

import system.bean.ModuleDocument;
import system.bean.ModuleFile;

public class AjaxGetRelayModuleServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public AjaxGetRelayModuleServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/xml");
		PrintWriter out = response.getWriter();
		out
				.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the GET method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/xml; chartset = utf-8;");
		request.setCharacterEncoding("utf-8");
		response.setHeader("Cache-Control","no-cache"); 
		PrintWriter out = response.getWriter();
		List<ModuleDocument> dosList = DocDataSource.getUserDocList(request);
		List<ModuleFile>refList = GetModuleFileSource.getCanBeIncludeList();
		StringBuilder xmlData      = new StringBuilder();
		xmlData.append("<?xml version='1.0' encoding='UTF-8'?>");
		xmlData.append("<docList>");
		Iterator<ModuleFile> it = refList.iterator();
		while(it.hasNext()){
			ModuleFile file = it.next();
			xmlData.append("<docItem>");
			xmlData.append("<docID>"+file.getFileId()+"@pub"+"</docID>");
			xmlData.append("<docName>"+file.getFileName()+"</docName>");
			xmlData.append("</docItem>");
		}
		Iterator<ModuleDocument> docIt = dosList.iterator();
		while(docIt.hasNext()){
			ModuleDocument file = docIt.next();
			xmlData.append("<docItem>");
			xmlData.append("<docID>"+file.getDocId()+"@user"+"</docID>");
			xmlData.append("<docName>"+file.getDocName()+"</docName>");
			xmlData.append("</docItem>");
		}
		xmlData.append("</docList>");
		out.write(xmlData.toString());
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
